Finding the Fourth Proportional to 51,305,128.08, 76,958,673.40 and 16,761,625.04
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Solution
The fourth proportional to 51,305,128.08, 76,958,673.40 and 16,761,625.04 is: 25,142,758.15
Step by Step Solution
- Step 1: Write the proportion equation
51,305,128.08 : 76,958,673.40 = 16,761,625.04 : x - Step 2: Convert to fraction form
51,305,128.08/76,958,673.40 = 16,761,625.04/x - Step 3: Cross multiply
51,305,128.08x = 76,958,673.40 × 16,761,625.04 - Step 4: Simplify right side
51,305,128.08x = 1,289,952,427,106,622 - Step 5: Solve for x
x = 1,289,952,427,106,622/51,305,128.08 - Step 6: Final answer
x = 25,142,758.15
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.